Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 4 - Section 4.4 - Adding and Subtracting Like Fractions, Least Common Denominator, and Equivalent Fractions - Exercise Set: 43

Answer

2 meters

Work Step by Step

To find the perimeter, sum the lengths of the sides. Since all 3 are like fractions, no conversion is needed. $\frac{5}{12}+\frac{7}{12}+\frac{5}{12}+\frac{7}{12}=\frac{5+7+5+7}{12}=\frac{24}{12}=\frac{24\div12}{12\div12}=2$
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